equilibrium constant

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Noun1.equilibrium constant - (chemistry) the ratio of concentrations when equilibrium is reached in a reversible reaction (when the rate of the forward reaction equals the rate of the reverse reaction)
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
constant - a number representing a quantity assumed to have a fixed value in a specified mathematical context; "the velocity of light is a constant"
dissociation constant - the equilibrium constant for a reversible dissociation
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References in periodicals archive ?
where [K.sub.C] is the equilibrium constant, [C.sub.A] is the amount of AC5R adsorbed on the adsorbent of solution at equilibrium (mg [g.sup.-1]), Cs is the equilibrium concentration of AC5R in the solution (mg [L.sup.-1]).
The equilibrium constant for the dimerization reaction (6) is calculated by (7) and amounts to 2.98 for dibutyltin(IV) and 4.89 for diphenyltin(IV):
Where [K.sub.o] is equilibrium constant, [C.sub.solid] is solid phase concentration at equilibrium (mg/L), [C.sub.solid] is liquid phase concentration at equilibrium (mg/L), T is absolute temperature in Kelvin and R is gas constant.
The calculated values of the equilibrium constant for reactions (7-14) in the temperature range of 12733273 K were verified by the experiments of reductive meltings.
Replacement of the n-butyl group by isopropyl in the Grignard reagent increases the equilibrium constant by a factor of two in accordance of increasing hindrance to coordination with the donor.
The latter reference reports an equilibrium constant of 0.16 for the dimerization of CH[Cl.sub.3] at 25[degrees]C.
Giori and Hayes (1970) showed that the moisture content of molten nylons has a significant influence on the apparent equilibrium constant for polyamidation.
7 and the equilibrium constant formula for neutral bases [B.sub.1] and [B.sub.2] can be written as follows:
Where Ko is the equilibrium constant, [C.sub.solid] is the solid phase concentration at equilibrium (mg/ L), [C.sub.liquid] is the liquid phase concentration at equilibrium (mg/L), T is the temperature in Kelvin and R is the gas constant.

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